<!DOCTYPE html>
<html lang="en">
  <head>
    <meta charset="UTF-8" />
    <meta http-equiv="X-UA-Compatible" content="IE=edge" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>Document</title>
    <style>
      body {
        margin: 0;
      }
      .container {
        width: 818px;
        height: 808px;
        margin: 50px auto;
      }
      .row {
        width: 100%;
        height: 200px;
      }
      .box {
        width: 200px;
        height: 100%;
        border-right: 1px solid;
        border-bottom: 1px solid;
        display: inline-block;
      }
      .row:nth-of-type(odd) {
        border-top: 1px solid;
      }
      .box:nth-child(1) {
        border-left: 1px solid;
      }
      .box1-2-1 {
        width: 100px;
        height: 200px;
        border: 1px solid;
        border-radius: 50%;
        margin: 0 auto;
      }

      .box2-1 > div {
        width: 100px;
        height: 100%;
        display: inline-block;
      }
      .top {
        height: 120px;
        background-color: aqua;
      }
      .bottom {
        height: 80px;
        background-color: red;
      }
    </style>
  </head>
  <body>
    <div class="container">
      <div class="row row1">
        <div class="box box1-1"></div>
        <div class="box box1-2">
          <div class="box1-2-1"></div>
        </div>
        <div class="box box1-3"></div>
        <div class="box box1-4"></div>
      </div>
      <div class="row row2">
        <div class="box box2-1">
          <div class="box2-1-1">
            <div class="top"></div>
            <div class="bottom"></div>
          </div><div class="box2-1-2"></div>
        </div>
        <div class="box box2-2"></div>
        <div class="box box2-3"></div>
        <div class="box box2-4"></div>
      </div>
      <div class="row row3">
        <div class="box box3-1"></div>
        <div class="box box3-2"></div>
        <div class="box box3-3"></div>
        <div class="box box3-4"></div>
      </div>
      <div class="row row4">
        <div class="box box4-1"></div>
        <div class="box box4-2"></div>
        <div class="box box4-3"></div>
        <div class="box box4-4"></div>
      </div>
      <!-- 登录页面 -->
      
    </div>
  </body>
</html>
